The gang organizes a surprise party for Howard and Marion's 20th anniversary as clips from previous episodes are shown.
Name | Type | Role | |
---|---|---|---|
Arthur Silver | Writer | ||
Bob Brunner | Writer | ||
Karen Duitsman | Guest Star | ||
Diana Hyland | Guest Star | ||
Nancy Walker | Guest Star | ||
Udana Power | Guest Star | ||
Gary Epp | Guest Star | ||
Charlene Tilton | Guest Star | ||
Jennifer Shaw | Guest Star | ||
Paulette Breen | Guest Star | ||
Diana Canova | Guest Star | ||
Jerry Paris | Director |